./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/libvsync/rwlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/libvsync/rwlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:46:17,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:46:17,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2024-11-09 04:46:17,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:46:17,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:46:17,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:46:17,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:46:17,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:46:17,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:46:17,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:46:17,724 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:46:17,725 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:46:17,725 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:46:17,730 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:46:17,730 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:46:17,731 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:46:17,731 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:46:17,732 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:46:17,732 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:46:17,732 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:46:17,733 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:46:17,735 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:46:17,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 04:46:17,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 04:46:17,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:46:17,737 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:46:17,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:46:17,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:46:17,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:46:17,738 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 04:46:17,738 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 04:46:17,738 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 04:46:17,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:46:17,740 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 04:46:17,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:46:17,741 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:46:17,741 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:46:17,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:46:17,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:46:17,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:46:17,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:46:17,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:17,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:46:17,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:46:17,744 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:46:17,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:46:17,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:46:17,745 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:46:17,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:46:17,745 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 [2024-11-09 04:46:18,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:46:18,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:46:18,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:46:18,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:46:18,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:46:18,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/libvsync/rwlock.i Unable to find full path for "g++" [2024-11-09 04:46:20,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:46:20,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:46:20,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/sv-benchmarks/c/libvsync/rwlock.i [2024-11-09 04:46:20,925 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/data/dbbf29164/d9bb08ba0624465fae5790ab8d3a7b0d/FLAGa9665ef51 [2024-11-09 04:46:20,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/data/dbbf29164/d9bb08ba0624465fae5790ab8d3a7b0d [2024-11-09 04:46:20,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:46:20,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:46:20,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:20,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:46:20,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:46:20,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:20" (1/1) ... [2024-11-09 04:46:20,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8906bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:20, skipping insertion in model container [2024-11-09 04:46:20,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:20" (1/1) ... [2024-11-09 04:46:21,107 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:46:24,011 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 04:46:24,020 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 04:46:24,020 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 04:46:24,030 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 04:46:24,031 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 04:46:24,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:24,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:46:24,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-09 04:46:24,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-09 04:46:24,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-09 04:46:24,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-09 04:46:24,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-09 04:46:24,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-09 04:46:24,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-09 04:46:24,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-09 04:46:24,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-09 04:46:24,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-09 04:46:24,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-09 04:46:24,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-09 04:46:24,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-09 04:46:24,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-09 04:46:24,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-09 04:46:24,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-09 04:46:24,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-09 04:46:24,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-09 04:46:24,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-09 04:46:24,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-09 04:46:24,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-09 04:46:24,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-09 04:46:24,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-09 04:46:25,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-09 04:46:25,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-09 04:46:25,006 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-09 04:46:25,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-09 04:46:25,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-09 04:46:25,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-09 04:46:25,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-09 04:46:25,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-09 04:46:25,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-09 04:46:25,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-09 04:46:25,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-09 04:46:25,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-09 04:46:25,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-09 04:46:25,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-09 04:46:25,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-09 04:46:25,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-09 04:46:25,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-09 04:46:25,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-09 04:46:25,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-09 04:46:25,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-09 04:46:25,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-09 04:46:25,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-09 04:46:25,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-09 04:46:25,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-09 04:46:25,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-09 04:46:25,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-09 04:46:25,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-09 04:46:25,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-09 04:46:25,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-09 04:46:25,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-09 04:46:25,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-09 04:46:25,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-09 04:46:25,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-09 04:46:25,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-09 04:46:25,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-09 04:46:25,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-09 04:46:25,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-09 04:46:25,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-09 04:46:25,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-09 04:46:25,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-09 04:46:25,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-09 04:46:25,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-09 04:46:25,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-09 04:46:25,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-09 04:46:25,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-09 04:46:25,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-09 04:46:25,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-09 04:46:25,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-09 04:46:25,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-09 04:46:25,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-09 04:46:25,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-09 04:46:25,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-09 04:46:25,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-09 04:46:25,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-09 04:46:25,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-09 04:46:25,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-09 04:46:25,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-09 04:46:25,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-09 04:46:25,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-09 04:46:25,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-09 04:46:25,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-09 04:46:25,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-09 04:46:25,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-09 04:46:25,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-09 04:46:25,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-09 04:46:25,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-09 04:46:25,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-09 04:46:25,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-09 04:46:25,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-09 04:46:25,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-09 04:46:25,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-09 04:46:25,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-09 04:46:25,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-09 04:46:25,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-09 04:46:25,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-09 04:46:25,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-09 04:46:25,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-09 04:46:25,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:25,560 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:46:25,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25 WrapperNode [2024-11-09 04:46:25,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:25,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:25,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:46:25,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:46:25,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,791 INFO L138 Inliner]: procedures = 930, calls = 943, calls flagged for inlining = 835, calls inlined = 70, statements flattened = 647 [2024-11-09 04:46:25,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:25,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:46:25,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:46:25,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:46:25,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,894 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:46:25,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:46:25,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:46:25,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:46:25,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (1/1) ... [2024-11-09 04:46:25,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:25,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:25,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:46:25,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2174c4f0-eeee-4f1f-b8e7-c0c4ea8be155/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:46:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-09 04:46:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-09 04:46:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:46:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:46:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:46:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:46:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:46:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:46:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:46:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-09 04:46:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-09 04:46:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:46:26,001 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 04:46:26,264 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:46:26,266 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:46:27,524 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 04:46:27,524 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:46:28,067 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:46:28,068 INFO L316 CfgBuilder]: Removed 123 assume(true) statements. [2024-11-09 04:46:28,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:28 BoogieIcfgContainer [2024-11-09 04:46:28,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:46:28,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:46:28,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:46:28,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:46:28,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:46:20" (1/3) ... [2024-11-09 04:46:28,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c624810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:28, skipping insertion in model container [2024-11-09 04:46:28,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:25" (2/3) ... [2024-11-09 04:46:28,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c624810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:28, skipping insertion in model container [2024-11-09 04:46:28,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:28" (3/3) ... [2024-11-09 04:46:28,083 INFO L112 eAbstractionObserver]: Analyzing ICFG rwlock.i [2024-11-09 04:46:28,113 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:46:28,113 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-11-09 04:46:28,113 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 04:46:28,386 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 04:46:28,438 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 259 places, 382 transitions, 778 flow [2024-11-09 04:46:43,233 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 365135 states, 360707 states have (on average 4.400801758768197) internal successors, (1587400), 365134 states have internal predecessors, (1587400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:46:43,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:46:43,322 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@db1aea7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:46:43,326 INFO L334 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2024-11-09 04:46:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 365135 states, 360707 states have (on average 4.400801758768197) internal successors, (1587400), 365134 states have internal predecessors, (1587400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:46:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 04:46:43,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:43,970 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 04:46:43,970 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-09 04:46:43,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:43,976 INFO L85 PathProgramCache]: Analyzing trace with hash 996514797, now seen corresponding path program 1 times [2024-11-09 04:46:43,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:43,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277498742] [2024-11-09 04:46:43,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:43,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:45,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:46:45,197 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:45,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277498742] [2024-11-09 04:46:45,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277498742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:45,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:45,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:46:45,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750967378] [2024-11-09 04:46:45,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:45,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:46:45,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:45,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:46:45,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:46:46,143 INFO L87 Difference]: Start difference. First operand has 365135 states, 360707 states have (on average 4.400801758768197) internal successors, (1587400), 365134 states have internal predecessors, (1587400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:47:01,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:47:01,421 INFO L93 Difference]: Finished difference Result 673532 states and 2985144 transitions. [2024-11-09 04:47:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:47:01,424 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-09 04:47:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:47:06,443 INFO L225 Difference]: With dead ends: 673532 [2024-11-09 04:47:06,443 INFO L226 Difference]: Without dead ends: 308389 [2024-11-09 04:47:08,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:47:08,106 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 04:47:08,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 04:47:08,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308389 states. [2024-11-09 04:47:19,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308389 to 308389. [2024-11-09 04:47:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308389 states, 305787 states have (on average 3.16932047470952) internal successors, (969137), 308388 states have internal predecessors, (969137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:47:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308389 states to 308389 states and 969137 transitions. [2024-11-09 04:47:23,786 INFO L78 Accepts]: Start accepts. Automaton has 308389 states and 969137 transitions. Word has length 6 [2024-11-09 04:47:23,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:47:23,787 INFO L471 AbstractCegarLoop]: Abstraction has 308389 states and 969137 transitions. [2024-11-09 04:47:23,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 04:47:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 308389 states and 969137 transitions. [2024-11-09 04:47:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 04:47:23,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:47:23,789 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:47:23,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:47:23,789 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] === [2024-11-09 04:47:23,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:47:23,791 INFO L85 PathProgramCache]: Analyzing trace with hash 948364554, now seen corresponding path program 1 times [2024-11-09 04:47:23,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:47:23,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065241173] [2024-11-09 04:47:23,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:47:23,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:47:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:47:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:47:24,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:47:24,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065241173] [2024-11-09 04:47:24,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065241173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:47:24,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:47:24,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 04:47:24,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072812444] [2024-11-09 04:47:24,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:47:24,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:47:24,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:47:24,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:47:24,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:47:24,012 INFO L87 Difference]: Start difference. First operand 308389 states and 969137 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)